HL7 Workbench
Beta
v2.4
Message Structures
QRY_A19
HL7 v2.x
Parser
Sign in
QRY_A19
QRY_A19
3 segments · 1 events
...
2.3.1
May
1999
2.4
Oct
2000
2.5
Aug
2003
...
Message Structure
Message Structure
3 segments
Tree
Grammar
R
Required
O
Optional
Choice
MSH
R
1
QRD
R
1
QRF
O
1
Used by Events:
A19
QRY/ADR - Patient query